Robert M. Klein - May 19, 2021 Form 4 Insider Report for ADVANCED DRAINAGE SYSTEMS, INC. (WMS)

Role: EVP, Sales
Signature: /s/ Robert M. Klein, by Scott A. Cottrill as attorney-in-fact
Stock symbol: WMS
Transactions as of: May 19, 2021
Transactions value $: -$571,428
Form type: 4
Date filed: 5/21/2021, 06:00 PM
Next filing: May 25, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WMS	Common Stock	Award	$0	+16.5K	+17.14%	$0.00	113K	May 19, 2021	Direct	F1
transaction	WMS	Common Stock	Award	$0	+1.01K	+0.89%	$0.00	114K	May 19, 2021	Direct
transaction	WMS	Common Stock	Tax liability	-$497K	-4.69K	-4.13%	$105.82	109K	May 19, 2021	Direct
transaction	WMS	Common Stock	Tax liability	-$39.7K	-375	-0.34%	$105.82	109K	May 19, 2021	Direct
transaction	WMS	Common Stock	Tax liability	-$35.2K	-333	-0.31%	$105.82	108K	May 19, 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WMS	Option to Purchase Common Stock	Award	$0	+2.58K		$0.00	2.58K	May 19, 2021	Common Stock	2.58K	$105.82	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects grant of performance-based units, orginally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2021 had been met. Total includes dividend equivalents in the amount of 952 shares, which dividend equivalents are settled in common stock.
F2	The options vest in three equal annual installments beginning on May 18, 2022, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date.